Hail history for Potter County, Pennsylvania
Every NOAA hail report filed in Potter County since 1970, with preliminary National Weather Service reports to November 3, 2026.
Readout · Potter County
- Last hail
- Sep 21, 2024
- 0.75 in, penny size
- Hail days, last 5 years
- 1
- since Nov 3, 2021 · 3 reports
- Largest ever
- 2.50 in
- tennis ball · May 31, 2002
36 reports on 30 days since 1970 · #52 of 68 Pennsylvania counties
Hail map · Potter County
- Under 1 in
- 1–1.75 in
- 1.75–2.5 in
- 2.5–4 in
- 4 in +
- No size
For homeowners
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What the record says about Potter County
The latest hail report in Potter County is from September 21, 2024, 0.75 in (penny size). Since November 3, 2021 there has been one hail day; the biggest stones in that time were 2.00 in on September 21, 2024.
Over the 20 years 2006–2025, Potter County logged 15 reports on 10 hail days, about 0.8 reports a year. That is 37% of the median Pennsylvania county (2.0 a year) and ranks #52 of 68 Pennsylvania counties for all-time reports. Potter County holds 1% of all 5,542 hail reports in Pennsylvania.
6% of reports with a size were 2 inches (hen egg) or larger, against 3% for the median Pennsylvania county. The largest hail on record here is 2.50 in (tennis ball) on May 31, 2002 near Harrison Vly.
Reports were down 75% in 2016–2025 (3) compared with 2006–2015 (12). The busiest year was 1996, with 5 reports on 5 days. Hail here peaks in June (25% of reports); 50% fall between April and June.
Reports a year 2006–2025 average
- Potter County 0.8
- Median Pennsylvania county 2.0
Hail days 2006–2025
- Potter County 10
- Median Pennsylvania county 22.5
Share 2 in or larger of sized reports
- Potter County 6%
- Median Pennsylvania county 3%
Hail over time
| Year | Jan | Feb | Mar | Apr | May | Jun | Jul | Aug | Sep | Oct | Nov | Dec | Total |
|---|---|---|---|---|---|---|---|---|---|---|---|---|---|
| 2026 | 0 | ||||||||||||
| 2025 | 0 | ||||||||||||
| 2024 | 3 | 3 | |||||||||||
| 2023 | 0 | ||||||||||||
| 2022 | 0 | ||||||||||||
| 2021 | 0 | ||||||||||||
| 2020 | 0 | ||||||||||||
| 2019 | 0 | ||||||||||||
| 2018 | 0 | ||||||||||||
| 2017 | 0 |
Hail days since Nov 3, 2021
| Date | Reports | Largest | Storm page |
|---|---|---|---|
| Sep 21, 2024 | 3 | 2.00 in | — |
Largest hail on record
| Date | Size | Location | Time · source |
|---|---|---|---|
| May 31, 2002 | 2.50 intennis ball | Harrison Vly | 14:30 local · NCEI |
| Sep 21, 2024 | 2.00 inhen egg | 1.47 NNW Walton | 18:32 local · NCEI |
| Sep 2, 2013 | 1.75 ingolf ball | 2.08 NW Austin | 14:45 local · NCEI |
| Aug 15, 1996 | 1.75 ingolf ball | Galeton | 18:59 local · NCEI |
| Sep 21, 2024 | 1.25 inhalf dollar | 0.86 NE Newfield | 18:08 local · NCEI |
Size of every report
- Under 1 in 17 49%
- 1–2 in 16 46%
- 2 in + 2 6%
- No size 1
Most recent reports
| Date | Size | Location | Time · source |
|---|---|---|---|
| Sep 21, 2024 | 0.75 inpenny | 0.86 SE Shinglehouse | 18:55 local · NCEI |
| Sep 21, 2024 | 2.00 inhen egg | 1.47 NNW Walton | 18:32 local · NCEI |
| Sep 21, 2024 | 1.25 inhalf dollar | 0.86 NE Newfield | 18:08 local · NCEI |
| Aug 21, 2014 | 1.25 inhalf dollar | 0.52 E Galeton | 15:57 local · NCEI |
| Aug 21, 2014 | 1.00 inquarter | 0.52 E Galeton | 15:29 local · NCEI |
| Sep 11, 2013 | 1.00 inquarter | 0.51 E Shinglehouse | 16:40 local · NCEI |
| Sep 2, 2013 | 1.75 ingolf ball | 2.08 NW Austin | 14:45 local · NCEI |
| Jul 7, 2012 | 1.00 inquarter | Hickox | 13:55 local · NCEI |
| May 2, 2012 | 1.00 inquarter | 2.57 E Inez | 20:15 local · NCEI |
| May 2, 2012 | 1.00 inquarter | 0.52 E Galeton | 20:05 local · NCEI |
| Oct 11, 2010 | 1.00 inquarter | Costello | 16:45 local · NCEI |
| Jul 24, 2010 | 1.25 inhalf dollar | 2.17 ESE Brookland | 17:50 local · NCEI |
Smaller places with fewer than 10 reports
These places have too few reports for a page of their own, so their record lives here.
| Place | Reports | Hail days | Latest |
|---|---|---|---|
| Coudersport | 6 | 6 | Jun 16, 2008 |
| Galeton | 6 | 5 | Aug 21, 2014 |
| Shinglehouse | 4 | 4 | Sep 21, 2024 |
| Austin | 2 | 2 | Sep 2, 2013 |
| Genesee | 2 | 2 | Jul 7, 2012 |
| Roulette | 2 | 2 | Jun 16, 2008 |
| Ulysses | 2 | 2 | Sep 21, 2024 |
| Sweden Valley | 1 | 1 | May 2, 2012 |
Questions about hail in Potter County
How often does it hail in Potter County, Pennsylvania?
36 hail reports have been logged in Potter County since 1970. Over the 20 years 2006–2025 that averages 0.8 reports a year. That ranks #52 of 68 Pennsylvania counties by number of reports.
When is hail season in Potter County?
Most reports come in June, May, July. June alone accounts for 25% of all reports.
What is the largest hail recorded in Potter County?
2.50 in (tennis ball size) on May 31, 2002 near Harrison Vly. 6% of reports here were 2 inches or larger.
When did it last hail in Potter County?
The most recent report in this data is from September 21, 2024 (0.75 in). Final NOAA data runs to July 31, 2026; preliminary NWS reports run to November 3, 2026.
How many hail storms has Potter County had in the last five years?
1 separate days with hail reports since November 3, 2021, adding up to 3 reports. The most recent was September 21, 2024.
Where does this hail data come from?
Hail reports come from the NOAA NCEI Storm Events Database, which the National Weather Service compiles from spotter, public, law enforcement and media reports. Recent days use preliminary NWS Local Storm Reports via the Iowa Environmental Mesonet until NOAA publishes final data. Only reported hail is counted, so areas with fewer people tend to have fewer reports.